diff --git a/Detectors/TPC/qc/src/Tracking.cxx b/Detectors/TPC/qc/src/Tracking.cxx
index e5773804105ce..a3ae6320fe9e0 100644
--- a/Detectors/TPC/qc/src/Tracking.cxx
+++ b/Detectors/TPC/qc/src/Tracking.cxx
@@ -55,7 +55,10 @@ void Tracking::initialize(outputModes outputMode, bool postprocessOnly)
   } else {
     throw std::runtime_error("Failed to initialize run parameters from GRP");
   }
-  mQAConfig->ReadConfigurableParam();
+  auto global = mQAConfig->ReadConfigurableParam();
+  if (grp->isDetReadOut(o2::detectors::DetID::TPC) && global.tpcTriggeredMode ^ !grp->isDetContinuousReadOut(o2::detectors::DetID::TPC)) {
+    throw std::runtime_error("TPC triggered mode (GPU_global.tpcTriggeredMode) not set correctly");
+  }
   mQAConfig->configQA.shipToQCAsCanvas = mOutputMode == outputLayout;
   mQA = std::make_unique<GPUO2InterfaceQA>(mQAConfig.get());
   if (!postprocessOnly) {
diff --git a/GPU/GPUTracking/DataTypes/GPUSettings.h b/GPU/GPUTracking/DataTypes/GPUSettings.h
index 0d0f932c95e88..448646c22a2eb 100644
--- a/GPU/GPUTracking/DataTypes/GPUSettings.h
+++ b/GPU/GPUTracking/DataTypes/GPUSettings.h
@@ -53,11 +53,11 @@ class GPUSettings
 #ifdef GPUCA_NOCOMPAT
 // Settings describing the global run parameters
 struct GPUSettingsGRP {
-  // All new members must be sizeof(int) resp. sizeof(float) for alignment reasons!
+  // All new members must be sizeof(int) resp. sizeof(float) for alignment reasons!, default value for newly added members for old data will be 0.
   float solenoidBzNominalGPU = -5.00668f; // solenoid field strength
   int constBz = 0;                        // for test-MC events with constant Bz
   int homemadeEvents = 0;                 // Toy-MC events
-  int continuousMaxTimeBin = 0;           // 0 for triggered events, -1 for default of 23ms
+  int continuousMaxTimeBin = 0;           // 0 for triggered events, -1 for default TF length
   int needsClusterer = 0;                 // Set to true if the data requires the clusterizer
   int doCompClusterDecode = 0;            // Set to true if the data contains compressed TPC clusters
 };
diff --git a/GPU/GPUTracking/Interface/GPUO2InterfaceConfigurableParam.cxx b/GPU/GPUTracking/Interface/GPUO2InterfaceConfigurableParam.cxx
index 764424d50362c..b254c2fd5808f 100644
--- a/GPU/GPUTracking/Interface/GPUO2InterfaceConfigurableParam.cxx
+++ b/GPU/GPUTracking/Interface/GPUO2InterfaceConfigurableParam.cxx
@@ -103,10 +103,12 @@ GPUSettingsO2 GPUO2InterfaceConfiguration::ReadConfigurableParam(GPUO2InterfaceC
   obj.configReconstruction = rec;
   obj.configDisplay = display;
   obj.configQA = QA;
-  if (global.continuousMaxTimeBin) {
-    obj.configGRP.continuousMaxTimeBin = global.continuousMaxTimeBin;
-  } else {
-    obj.configGRP.continuousMaxTimeBin = global.tpcTriggeredMode ? 0 : -1;
+  if (obj.configGRP.continuousMaxTimeBin == 0 || obj.configGRP.continuousMaxTimeBin == -1) {
+    if (global.continuousMaxTimeBin) {
+      obj.configGRP.continuousMaxTimeBin = global.continuousMaxTimeBin;
+    } else {
+      obj.configGRP.continuousMaxTimeBin = global.tpcTriggeredMode ? 0 : -1;
+    }
   }
   if (global.solenoidBzNominalGPU > -1e6f) {
     obj.configGRP.solenoidBzNominalGPU = global.solenoidBzNominalGPU;
diff --git a/GPU/GPUTracking/Interface/GPUO2InterfaceUtils.cxx b/GPU/GPUTracking/Interface/GPUO2InterfaceUtils.cxx
index cc4254f7156cf..f56e3dde1ea48 100644
--- a/GPU/GPUTracking/Interface/GPUO2InterfaceUtils.cxx
+++ b/GPU/GPUTracking/Interface/GPUO2InterfaceUtils.cxx
@@ -85,8 +85,10 @@ std::unique_ptr<GPUParam> GPUO2InterfaceUtils::getFullParam(float solenoidBz, un
   if (!pConfiguration) {
     tmpConfig = std::make_unique<GPUO2InterfaceConfiguration>();
     pConfiguration = &tmpConfig;
+    (*pConfiguration)->configGRP.continuousMaxTimeBin = -1;
   } else if (!*pConfiguration) {
     *pConfiguration = std::make_unique<GPUO2InterfaceConfiguration>();
+    (*pConfiguration)->configGRP.continuousMaxTimeBin = -1;
   }
   (*pConfiguration)->configGRP.solenoidBzNominalGPU = solenoidBz;
   if (pO2Settings && *pO2Settings) {